package com.atlige.gzmall.order.web;

import com.atlige.common.exception.NoStockException;
import com.atlige.gzmall.order.service.OrderService;
import com.atlige.gzmall.order.vo.OrderConfirmVo;
import com.atlige.gzmall.order.vo.OrderSubmitVo;
import com.atlige.gzmall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @author: Jeremy lI
 * @description:
 * @date: created in 2021/7/4 16:33
 */
@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("confirmOrderData", confirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo orderSubmitVo, Model model, RedirectAttributes redirectAttributes){
        try {
            // 下单成功来到支付选择页面
            // 下单失败回到订单确认页重新确认订单信息
            SubmitOrderResponseVo responseVo = orderService.submitOrder(orderSubmitVo);
            System.out.println(orderSubmitVo);
            if (responseVo.getCode() == 0){
                // 下单成功来到支付页
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            }else {
                String msg = "下单失败：";
                switch (responseVo.getCode()){
                    case 1: msg += "订单信息过期，请重新提交订单"; break;
                    case 2: msg += "订单商品价格发生变化，请确认后再次提交"; break;
                    case 3: msg += "库存锁定失败，商品库存不足"; break;
                }
                redirectAttributes.addFlashAttribute("msg", msg);
                return "redirect:http://order.gzmall.com/toTrade";
            }
        }catch (Exception e){
            if (e instanceof NoStockException){
                String msg = e.getMessage();
                redirectAttributes.addFlashAttribute("msg", msg);
            }
            return "redirect:http://order.gzmall.com/toTrade";
        }

    }

}
